Christmas in Japan is celebrated on December 25th just like in other countries. However, due to the influence of Japanese Buddhism, Christmas in Japan is often celebrated more as a secular holiday, with many people choosing to celebrate it with family and friends rather than through religious traditions. Some common activities include decorating the Christmas tree, exchanging gifts, and enjoying a special holiday meal. It's worth noting that Christmas in Japan is not a national holiday, so most businesses and schools remain open as usual.